Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7186467 | Black zinc-plated steel sheet | Hiroki Nakamaru, Yuuzo Ootuka, Takeshi Sakuma, Hiroyuki Ogata, Chiyoko Tada | 2007-03-06 |
| 6878462 | Surface treated zinc-based metal plated steel sheet | Chiyoko Tada, Hiroyuki Ogata | 2005-04-12 |
| 6548460 | Coating composition and lubricated metal sheets | Kazuhiko Higai, Sachiko Suzuki, Hiroyuki Ogata, Kazuo Mochizuki, Fuminori Mukaihara +3 more | 2003-04-15 |
| 6514357 | Composition for metal surface treatment and surface treated metallic material | Chiyoko Tada, Hiroyuki Ogata | 2003-02-04 |
| 6398884 | Methods of producing steel plate, hot-dip steel plate and alloyed hot-dip steel plate | Kazuaki Kyono, Akio Tosaka, Keiji Nishimura, Hiromasa Hayashi | 2002-06-04 |
| 5882803 | High-strength hot dip galvannealed steel sheets having excellent plating properties and method of producing the same | Kazuhiro Seto, Kei Sakata, Toshiyuki Kato, Chiaki Kato | 1999-03-16 |
| 5447802 | Surface treated steel strip with minimal plating defects and method for making | Yoichi Tobiyama, Chiaki Kato, Nobuyuki Morito | 1995-09-05 |
| 5147729 | Steel plate with organic coating having improved corrosion resistance in as-worked state | Hideo Ogishi, Kenji Takao, Koji Yamato | 1992-09-15 |
| 5147730 | Steel plate with organic coating having improved corrosion resistance | Hideo Ogishi, Kenji Takao, Hajime Kimura, Koji Yamato | 1992-09-15 |
| 4702802 | Method for making high corrosion resistance composite plated steel strip | Koji Yamato, Hajime Kimura, Toshio Ichida | 1987-10-27 |
| 4650724 | High corrosion resistance composite plated steel strip | Koji Yamato, Hajime Kimura, Toshio Ichida | 1987-03-17 |